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Paper Information

Journal:   JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)   JANUARY-FEBRUARY 2017 , Volume 30 , Number 6 ; Page(s) 2005 To 2018.
 
Paper: 

THE EFFECT OF COW MANURE AND VERMICOMPOST APPLICATION ON FRACTIONATION AND AVAILABILITY OF ZINC AND COPPER IN WHEAT PLANTING

 
 
Author(s):  HOSSEINPUR A.R., MOTAGHIAN H.R.*
 
* SOIL SCIENCE AND ENGINEERING OF AGRICULTURE FACULTY, SHAHREKORD UNIVERSITY, IRAN
 
Abstract: 

Introduction: Application of organic fertilizers in agricultural soils with low organic matter content is one of the best ways of nutrients addition to these soils. Different organic fertilizers have different effects on nutrient availability in soil. Moreover study of the distribution of nutrients in the soil allows investigating their mobility and bioavailability. The nutrients availability and kinetics of nutrients desorption into the soil solution is often closely related to the distribution of nutrients to different fractions in the soil. It has been assumed that the factors influencing metal fractionation and availability in soil include rate of amendment application, amount of nutrients in amendment, root-induced pH changes, metal binding by root exudates, root-induced changes of microbial activities, and metal depletion because of plant uptake.
Materials and Methods: In this study, availability and fractionation of Zinc (Zn) and Copper (Cu) were compared in one calcareous soil amended with 0, 0.5, and 1% (w/w) of cow manure and vermicompost in a completely randomized design. Also, wheat was planted in treated and untreated soils in greenhouse condition. Available Zn and Cu were determined using different methods (DTPA-TEA, AB-DTPA, and Mehlich 3). For Zn and Cu fractionation, the soil samples were sequentially extracted using an operationally defined sequential fractionation procedure, based on that employed by Tessier et al. (1979) in which increasingly strong extractants were used to release Zn and Cu associated with different soil fractions.

 
Keyword(s): COPPER FRACTIONS, ORGANIC MANURE, VERMICOMPOST, WHEAT, ZINC FRACTIONS
 
References: 
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